GRIZZLY is a heavy-duty pulley that can withstand up to 80kN and is used, for example, in tree care. The running surfaces are mounted on a self-lubricating bearing with steel pins with a movable aluminum side part. In addition, the opening system is extremely simple and safe: opening is done by pressing the upper pin and then turning the front side part 90 deg. This locking system prevents accidental opening. The pulley is suitable for ropes with a diameter <15 mm. -Strongly loadable pulley up to 80kN -Simple and safe opening -Can be used with ropes Ø < 15 mm.